vwo_fme_flutter_sdk 1.1.0+1 vwo_fme_flutter_sdk: ^1.1.0+1 copied to clipboard
FME is a server-side solution where you integrate VWO's SDK in your server codebase and can run feature tests, rollouts, personalization and experimentation campaigns.
/// Copyright 2024 Wingify Software Pvt. Ltd.
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
import 'package:flutter/material.dart';
import 'package:vwo_fme_flutter_sdk/vwo/models/vwo_init_options.dart';
import 'package:vwo_fme_flutter_sdk/vwo/models/vwo_context.dart';
import 'package:vwo_fme_flutter_sdk/vwo/models/get_flag.dart';
import 'package:vwo_fme_flutter_sdk/vwo.dart';
import 'package:vwo_fme_flutter_sdk_example/constants/constants.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
VWO? _vwo;
final vwoContext = VWOContext(
userId: userId,
customVariables: {'number': 12, 'key2': 'value2'},
ipAddress: "1.0.0.1",
userAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (HTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
);
@override
void initState() {
super.initState();
}
/// Initializes VWO-FME sdk sending the desired parameters to native SDK.
void _vwoInit() async {
var initOptions = VWOInitOptions(sdkKey: sdkKey,
accountId: accountId,
logger: {
// "level": "ERROR",
"level": "DEBUG",
},
/*gatewayService: {
"url": "http://localhost:8000",
},*/
//pollInterval: 10000,
integrationCallback: (Map<String, dynamic> properties) {
print('VWO: Integration callback received: $properties');
});
_vwo = await VWO.init(initOptions);
var status = "VWO: Initialization successful.";
if (_vwo == null) {
status = "VWO: Initialization failed.";
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = status;
});
}
/// This method is used to get the flag value for the given feature key.
void _getFlag() async {
final GetFlag? result = await _vwo?.getFlag(
flagName: flagName,
vwoContext: vwoContext,
);
if (result != null && result.isEnabled()) {
print('VWO: Feature flag retrieved successfully and is enabled');
} else {
print('VWO: Failed to retrieve or enable feature flag');
}
dynamic color = result?.getVariable(variableName, 'unknownColor');
dynamic variables = result?.getVariables();
print("VWO: Color = $color variable = $variables");
}
/// Track method to track the event.
void _trackEvent() async {
var properties = {
"category": "electronics",
"isWishlisted":false,
"price": 21,
"productId":1,
};
final trackingResult = await _vwo?.trackEvent(
eventName: eventName,
vwoContext: vwoContext,
//eventProperties: properties
);
print("VWO: Tracking Result: $trackingResult");
}
/// Sets an attribute for a user in the vwoContext provided.
void _setAttribute() async {
final success = await _vwo?.setAttribute(
attributeKey: attributeName,
attributeValue: attributeValue,
vwoContext: vwoContext,
);
if (success != null && success) {
print("VWO: Attribute set successfully!");
} else {
print("VWO: Failed to set attribute.");
}
}
@override
Widget build(BuildContext context) {
const double width = 200;
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
children: [
Text(
'Running on: $_platformVersion\n',
style: TextStyle(fontSize: 20.0),
),
SizedBox(
width: width, // Makes the button full width
child: ElevatedButton(
onPressed: () {
_vwoInit();
}, // Call initializeVwo on button press
child: const Text(
'Init FME',
style: TextStyle(fontSize: 20.0),
),
)),
SizedBox(
width: width, // Makes the button full width
child: ElevatedButton(
onPressed: () {
_getFlag();
},
child: const Text(
'Get Flag',
style: TextStyle(fontSize: 20.0),
),
)),
SizedBox(
width: width, // Makes the button full width
child: ElevatedButton(
onPressed: () {
_trackEvent();
},
child: const Text(
'Track event',
style: TextStyle(fontSize: 20.0),
),
)),
SizedBox(
width: width, // Makes the button full width
child: ElevatedButton(
onPressed: () {
_setAttribute();
},
child: const Text(
'Set Attribute',
style: TextStyle(fontSize: 20.0),
),
))
],
),
),
),
);
}
}